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Generative Pre-trained Transformer 2 (GPT-2) is a large language model by OpenAI and the second in their foundational series of GPT models. GPT-2 was pre-trained on a dataset of 8 million web pages. [2] It was partially released in February 2019, followed by full release of the 1.5-billion-parameter model on November 5, 2019. [3] [4] [5]
GPT-2: GPT-1, but with modified normalization 1.5 billion WebText: 40 GB of text, 8 million documents, from 45 million webpages upvoted on Reddit. February 14, 2019 (initial/limited version) and November 5, 2019 (full version) [40] "tens of petaflop/s-day", [41] or 1.5e21 FLOP. [42] GPT-3: GPT-2, but with modification to allow larger scaling ...
GPT-Neo outperformed an equivalent-size GPT-3 model on some benchmarks, but was significantly worse than the largest GPT-3. [168] GPT-J: June 2021: EleutherAI: 6 [169] 825 GiB [167] 200 [170] Apache 2.0 GPT-3-style language model Megatron-Turing NLG: October 2021 [171] Microsoft and Nvidia: 530 [172] 338.6 billion tokens [172] 38000 [173 ...
The number of neurons in the middle layer is called intermediate size (GPT), [55] filter size (BERT), [35] or feedforward size (BERT). [35] It is typically larger than the embedding size. For example, in both GPT-2 series and BERT series, the intermediate size of a model is 4 times its embedding size: =.
The tool was also able to look at an image of a chart and discuss it. ... Free ChatGPT users will have a limited number of interactions with the new GPT-4o model before the tool automatically ...
OpenAI also makes GPT-4 available to a select group of applicants through their GPT-4 API waitlist; [239] after being accepted, an additional fee of US$0.03 per 1000 tokens in the initial text provided to the model ("prompt"), and US$0.06 per 1000 tokens that the model generates ("completion"), is charged for access to the version of the model ...
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GPT-2, a text generating model developed by OpenAI Topics referred to by the same term This disambiguation page lists articles associated with the same title formed as a letter–number combination.